Electrical Engineering Questions And Answers :: Magnetism And Electromagnetism: part2



Electrical Engineering : Magnetism And Electromagnetism QUESTIONS AND ANSWERS :: part2 : 21 to 25

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

21.A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm from the unit pole in air ?

63.38 N/Wb
633.8 N/Wb
6338 N/Wb
63380 N/Wb

22.Ferrites are a sub-group of

non-magnetic materials
ferro-magnetic materials
paramagnetic materials
ferri-magnetic materials

23.Susceptibility is positive for

non-magnetic substances
diamagnetic substances
ferromagnetic substances
none of the above

24.Out of the following statements, concerning an electric field, which statement is not true ?

The electric intensity is a vector quantity
The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point
An electric field is defined as a point in space at which an electric charge would experienc* a force
Unit field intensity in the exertion of a force of one newton on a charge of one coulomb

More Magnetism And Electromagnetism QUESTIONS AND ANSWERS available in next pages

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